See, dishes to have seen light refraction of light on the surface, if there is a pattern and not a pattern part of the refraction of light, that is inferior, whereas in high-class product. Meanwhile, to check whether it is structured, no obvious flaws on the surface; a few dishes stacked together with the size, if you find that distance is not uniform, it indicates that it is an inferior product.

Second touch, hands off the table with a pattern of patterns, and no part of it. If two smooth, you are inferior; if there is a sense of pattern parts touch the marked by jerky, patterned like a stick on the surface of tableware for excellence.

Three blows, tableware of the outer layer is very hard, even if no matter how hard blow does not damage the glazed surface, and if you find dishes glazed patterns can be easily scraped off, so there must be inferior.